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Updated: Jun 3, 2026
09:06
Preparation of DNA-crosslinked Polyacrylamide Hydrogels
Published on: August 27, 2014
Crosslinking of single-stranded DNA to resins.
J L Woodhead1, J A Langdale, A D Malcolm
1Department of Biochemistry, Charing Cross and Westminster Medical School, London, UK.
Methods in Molecular Biology (Clifton, N.J.)
|March 23, 2011
Summary
Covalently immobilizing DNA fragments to solid supports enables purification and detection. This technique aids in diagnosing genetic diseases like sickle cell anemia via sandwich hybridization.
Area of Science:
- Molecular Biology
- Biotechnology
- Genetics
Background:
- Single-stranded DNA fragments can be chemically attached to solid surfaces.
- This immobilization serves multiple applications in molecular diagnostics and purification.
Purpose of the Study:
- To describe the immobilization of single-stranded DNA fragments to solid supports.
- To highlight the utility of this method for DNA purification and detection.
Main Methods:
- Covalent immobilization of specific single-stranded DNA fragments onto solid supports.
- Application of immobilized DNA in affinity chromatography for purification.
- Utilizing immobilized DNA for detection of viral and bacterial DNA sequences.
- Employing a sandwich hybridization method for antenatal diagnosis of genetic disorders.
Main Results:
- Demonstrated the feasibility of covalently immobilizing DNA fragments to solid supports.
- Established the utility of these supports as affinity columns for DNA purification.
- Showcased the potential for detecting specific viral or bacterial DNAs.
- Validated the method for antenatal diagnosis of genetic diseases, exemplified by sickle cell anemia.
Conclusions:
- Covalent immobilization of DNA fragments onto solid supports is a versatile technique.
- This method provides efficient DNA purification and sensitive detection capabilities.
- The approach is valuable for various applications, including genetic disease diagnosis.
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